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5-day forecast / Dallas, TX

SundaySunny103° / 80° 1%
MondaySunny104° / 81°
TuesdaySunny104° / 82° 1%
WednesdaySunny104° / 81°
ThursdaySunny104° / 81° 3%

Dallas Heat Advisory: Dangerous Heat Index Values Expected Through Tomorrow - Aug 15, 5 PM

Dallas weather, updated every four hours — local forecasts you can trust.

A Heat Advisory is active for Dallas as air temperatures hit 99F and feels-like values reach 103F. Sunny skies and low humidity will keep heat index values high through tomorrow.

Demarcus Lindgren

August 15, 20262 min read

National Weather Service radar for North Texas (KFWS)
National Weather Service radar for North Texas (KFWS)

*As of Aug 15, 5 PM local time.*

Dangerous Heat Conditions

A Heat Advisory is currently active for the Dallas area, signaling dangerous heat conditions that residents should take seriously. It is currently Saturday this evening, and the air temperature stands at 99F. Due to the combination of heat and humidity, the feels-like temperature has reached 103F.

The sky is clear, and relative humidity is at 35%, with a dew point of 66F. Winds are blowing from the south southwest at 11 mph, with gusts reaching 14 mph. These conditions contribute to the high heat index values that have been recorded today, which peaked near 107F.

Forecast Outlook

The weather pattern remains consistent with the current alert. Today’s high was near 102F, and the low is expected to be around 81F. The chance of precipitation is minimal at 1%, with sunny skies dominating the day.

Tonight, the sky will remain clear, and temperatures will stay warm, with lows near 81F before rising to around 83F overnight. Heat index values are expected to reach as high as 104F during this period. Winds will continue from the south at around 10 mph, with gusts up to 20 mph.

Tomorrow will bring similar conditions, with a high near 103F and a low near 80F. The sky will remain sunny, and the chance of rain is only 1%. Heat index values are projected to reach 101F.

Winds will be lighter, coming from the south southwest at around 5 mph. Tonight, the sky will be clear, with lows near 80F rising to 82F overnight, and heat index values reaching 99F. The Heat Advisory remains in effect, urging caution.

Safety Reminders

Given the sustained high temperatures and heat index values, it is crucial to stay hydrated and limit outdoor exertion, especially during the hottest parts of the day. Check on elderly neighbors and those without access to air conditioning. Avoid leaving pets or children in parked vehicles, as temperatures can rise rapidly.

Stay informed of the latest weather updates from the National Weather Service to ensure safety throughout the duration of the advisory.

National Weather Service radar for North Texas (KFWS)

Sources

https://radar.weather.gov

https://api.weather.gov

https://open-meteo.com

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Demarcus Lindgren

Demarcus Lindgren covers weather, storms, and seasonal life around Dallas.

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